Seasonal distribution in conceptions achieved by artificial insemination by donor.

BMJ 1989; 298 doi: https://doi.org/10.1136/bmj.298.6667.187 (Published 21 January 1989) Cite this as: BMJ 1989;298:187

This is a PDF-only article. The first page of the PDF of this article appears below.

PDF extract preview

Sign in

Log in through your institution